Ambiq Micro Ownership & Insider Activity

Ambiq Micro (AMBQ) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 4.6% of shares outstanding. Institutional investors hold 39.5%. Over the past 90 days, insiders made 5 sales worth $3.7M.

Shares Outstanding

24.185M

Shares Float

22.912M

Insider Shares Owned

1.105M

Insider % Owned

4.6%

Institutional Shares Held

9.547M

Institutional % Held

39.5%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$3.7M total

Net Activity

Net Selling

Net Value (90d)

-$3.7M

Ambiq Micro Insider Transactions (Last 6 Months)

모든 내부자 거래 내역 보기 →

Date	Insider	Title	Type	Shares	Price	Value
Oct 15, 2026	McLean Scott Hanson	CHIEF TECHNOLOGY OFFICER	SELL-OPTIONS	—	$29.56	$300K
Oct 15, 2026	Fumihide Esaka	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$29.56	$214K
Oct 14, 2026	Chihhsiang Sean Chen	PRESIDENT AND COO	SELL-OPTIONS	—	$29.81	$651K
Oct 2, 2026	Jeffrey Winzeler	CHIEF FINANCIAL OFFICER	SELL	5.455K	$69.60	$380K
Oct 2, 2026	Fumihide Esaka	CHIEF EXECUTIVE OFFICER	SELL	16.560K	$69.60	$1.2M
Oct 2, 2026	McLean Scott Hanson	CHIEF TECHNOLOGY OFFICER	SELL	8.680K	$69.60	$604K
Oct 2, 2026	Chihhsiang Sean Chen	PRESIDENT AND COO	SELL	14.007K	$67.95	$952K
Sep 15, 2026	McLean Scott Hanson	CHIEF TECHNOLOGY OFFICER	SELL-OPTIONS	—	$34.20	$365K
Sep 14, 2026	Chihhsiang Sean Chen	PRESIDENT AND COO	SELL-OPTIONS	—	$34.13	$780K
Sep 11, 2026	KER ZHANG	—	SELL	10.000K	$63.44	$634K
Sep 11, 2026	Fumihide Esaka	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$37.18	$3.2M
Sep 4, 2026	Chihhsiang Sean Chen	PRESIDENT AND COO	SELL-OPTIONS	—	$32.65	$736K
Sep 4, 2026	KER ZHANG	—	SELL-OPTIONS	1.600K	$31.40	$34
Aug 31, 2026	Fumihide Esaka	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	9.271K	$34.49	$4.7M
Aug 26, 2026	McLean Scott Hanson	CHIEF TECHNOLOGY OFFICER	SELL-OPTIONS	10.000K	$33.91	$2.8M
Aug 14, 2026	McLean Scott Hanson	CHIEF TECHNOLOGY OFFICER	SELL-OPTIONS	—	$36.25	$394K
Aug 14, 2026	Fumihide Esaka	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$36.25	$760K
May 27, 2026	Timothy Chen	—	SELL	70.592K	$79.79	$5.6M
May 15, 2026	Chihhsiang Sean Chen	PRESIDENT AND COO	SELL-OPTIONS	—	$38.38	$3.6M
May 14, 2026	Jeffrey Winzeler	CHIEF FINANCIAL OFFICER	SELL-OPTIONS	5.952K	$43.35	$1.3M
May 14, 2026	McLean Scott Hanson	CHIEF TECHNOLOGY OFFICER	SELL-OPTIONS	8.100K	$38.68	$558K
May 14, 2026	Fumihide Esaka	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	60.000K	$39.34	$3.2M

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Ambiq Micro Ownership & Insider Activity

Ambiq Micro Insider Transactions (Last 6 Months)

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